Vacuum generating device



FIG. 1 shows a left top front perspective view of the vacuum generating device in accordance with the invention;

FIG. 2 shows a front elevational view thereof;

FIG. 3 shows a right side elevational view thereof;

FIG. 4 shows a rear elevational view thereof;

FIG. 5 shows a left side elevational view thereof;

FIG. 6 shows a top plan view thereof; and,

FIG. 7 shows a bottom plan view thereof.

Any broken lines in the drawings disclose elements which form no part of the claimed design. 

CLAIM An ornamental design for the vacuum generating device, as shown and described. 